<template>
  <el-card class="box-card" style="margin: 10px 0px;">
    <div slot="header" class="clearfix">
      <el-tabs class="tab" v-model="activeName">
        <el-tab-pane label="销售额" name="sale"></el-tab-pane>
        <el-tab-pane label="访问量" name="visit"></el-tab-pane>
      </el-tabs>
      <div class="right">
        <span @click="setDay">今日</span>
        <span @click="setWeek">本周</span>
        <span @click="setMonth">本月</span>
        <span @click="setYear">本年</span>
        <el-date-picker class="date" v-model="date" value-format="yyyy-MM-dd" type="daterange" range-separator="-"
          start-placeholder="开始日期" end-placeholder="结束日期" size="mini">
        </el-date-picker>
      </div>

    </div>
    <div>
      <el-row :gutter="10">
        <el-col :span="18">
          <div class="charts" ref="charts">
          </div>
        </el-col>
        <el-col :span="6" class="right">
          <h3>门店{{ title }}排名</h3>
          <ul>
            <li>
              <span class="rindex">0</span>
              <span>肯德基</span>
              <span class="rvalue">123456</span>
            </li>
            <li>
              <span class="rindex">1</span>
              <span>肯德基</span>
              <span class="rvalue">123456</span>
            </li>
            <li>
              <span class="rindex">2</span>
              <span>肯德基</span>
              <span class="rvalue">123456</span>
            </li>
            <li>
              <span class="rindex">3</span>
              <span>肯德基</span>
              <span class="rvalue">123456</span>
            </li>
            <li>
              <span class="rindex2">4</span>
              <span>肯德基</span>
              <span class="rvalue">123456</span>
            </li>
            <li>
              <span class="rindex2">5</span>
              <span>肯德基</span>
              <span class="rvalue">123456</span>
            </li>
            <li>
              <span class="rindex2">6</span>
              <span>肯德基</span>
              <span class="rvalue">123456</span>
            </li>
          </ul>
        </el-col>
      </el-row>
    </div>
  </el-card>
</template>

<script>
import * as echarts from 'echarts';
import dayjs from 'dayjs';
import { mapState } from 'vuex';
export default {
  name: 'Sale',
  data() {
    return {
      activeName: 'sale',
      date: [],
      mycharts: null
    }
  },
  mounted() {
    this.mycharts = echarts.init(this.$refs.charts)
    let option = {
      title: {
        text: this.title + '趋势',
      },
      tooltip: {
        trigger: 'axis',
        axisPointer: {
          type: 'shadow'
        }
      },
      grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true
      },
      xAxis: [
        {
          type: 'category',
          data: [],
          axisTick: {
            alignWithLabel: true
          }
        }
      ],
      yAxis: [
        {
          type: 'value'
        }
      ],
      series: [
        {
          name: '数量',
          type: 'bar',
          barWidth: '60%',
          data: [],
          color: 'yellowgreen'
        }
      ]
    }

    this.mycharts.setOption(option);

  },
  computed: {
    title() {
      return this.activeName == 'sale' ? '销售额' : '访问量'
    },
    ...mapState({
      dataState: state => state.home.data
    })
  },
  watch: {
    activeName() {
      this.mycharts.setOption({
        title: {
          text: this.title + '趋势'
        },
        xAxis: {
          data: this.title == '销售额' ? this.dataState.orderFullYearAxis : this.dataState.userFullYearAxis
        },
        series: [
          {
            name: '数量',
            type: 'bar',
            barWidth: '60%',
            data: this.title == '销售额' ? this.dataState.orderFullYear : this.dataState.userFullYear,
            color: 'yellowgreen'
          }
        ]
      });
    },
    dataState() {
      this.mycharts.setOption({
        title: {
          text: this.title + '趋势',
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow'
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            type: 'category',
            data: this.dataState.orderFullYearAxis,
            axisTick: {
              alignWithLabel: true
            }
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ],
        series: [
          {
            name: '数量',
            type: 'bar',
            barWidth: '60%',
            data: this.dataState.orderFullYear,
            color: 'yellowgreen'
          }
        ]
      });

    }
  },
  methods: {
    setDay() {
      const day = dayjs().format('YYYY-MM-DD')
      this.date = [day, day]
    },
    setWeek() {
      const first = dayjs().day(1).format('YYYY-MM-DD')
      const last = dayjs().day(7).format('YYYY-MM-DD')
      this.date = [first, last]
    },
    setMonth() {
      const first = dayjs().startOf('month').format('YYYY-MM-DD')
      const last = dayjs().endOf('month').format('YYYY-MM-DD')
      this.date = [first, last]
    },
    setYear() {
      const first = dayjs().startOf('year').format('YYYY-MM-DD')
      const last = dayjs().endOf('year').format('YYYY-MM-DD')
      this.date = [first, last]
    },
  }

}
</script>

<style scoped>
.clearfix {
  position: relative;
  display: flex;
  justify-content: space-between;
}

.tab {
  width: 100%;
}

.right {
  position: absolute;
  right: 0px;
}

.date {
  width: 240px;
  margin: 0px 20px;
}

.right span {
  margin: 0px 10px;
}

.charts {
  width: 100%;
  height: 300px;
}

ul {
  list-style: none;
  width: 100%;
  height: 300px;
  padding: 0px;
}

ul li {
  height: 8%;
  margin: 10px 0px;
}

.rindex {
  float: left;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: black;
  color: white;
  text-align: center;

}

.rindex2 {
  float: left;
  width: 20px;
  height: 20px;
  border-radius: 50%;

  text-align: center;
}

.rvalue {
  float: right;
}
</style>
